Instanciation error

David · Post by **David** » Fri Dec 23, 2005 9:23 am

Here is what i get when i load a page with TeechartForNet 1.1

Erreur du serveur dans l'application '/STARWeb'.
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La référence d'objet n'est pas définie à une instance d'un objet. 
Description : Une exception non gérée s'est produite au moment de l'exécution de la demande Web actuelle. Contrôlez la trace de la pile pour plus d'informations sur l'erreur et son origine dans le code. 

Détails de l'exception: System.NullReferenceException: La référence d'objet n'est pas définie à une instance d'un objet.

Erreur source: 


Ligne 33 : 					<TD><asp:label id="Label1" runat="server">Select saved graph</asp:label><BR>
Ligne 34 : 						<asp:dropdownlist id="DropDownList26" runat="server" CssClass="textbox" AutoPostBack="True" Width="128px"></asp:dropdownlist>&nbsp;<asp:imagebutton id="ImageButton4" runat="server" ImageUrl="images/mexit.gif"></asp:imagebutton></TD>
Ligne 35 : 					<TD vAlign="top" align="left" rowSpan="8"><tchart:webchart id="tChart2" runat="server" Config="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Ligne 36 : 							AutoPostback="False" TempChart="Session" Height="128px" Width="176px"></tchart:webchart><tchart:webchart id="tChart6" runat="server" 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Fichier source : c:\inetpub\wwwroot\STARWeb\HDC-Graph.aspx    Ligne : 35 

Trace de la pile: 


[NullReferenceException: La référence d'objet n'est pas définie à une instance d'un objet.]
   System.Drawing.SafeNativeMethods.GdipGetGenericFontFamilySansSerif(IntPtr& fontfamily) +0
   System.Drawing.FontFamily.get_GenericSansSerif() +27
   System.Drawing.Font.CreateFontFamilyWithFallback(String familyName) +86
   System.Drawing.Font.Initialize(String familyName, Single emSize, FontStyle style, GraphicsUnit unit) +18
   System.Drawing.Font..ctor(String familyName, Single emSize) +35
   Steema.TeeChart.Drawing.ChartFont..ctor(Chart c) +37
   Steema.TeeChart.Drawing.Graphics3D..ctor(Chart c) +214
   Steema.TeeChart.Drawing.Graphics3DGdiPlus..ctor(Chart c) +5
   Steema.TeeChart.Chart..ctor() +291
   Steema.TeeChart.Web.WebChart..ctor() +117
   ASP.HDC_Graph_aspx.__BuildControltChart2() in c:\inetpub\wwwroot\STARWeb\HDC-Graph.aspx:35
   ASP.HDC_Graph_aspx.__BuildControlForm1() in c:\inetpub\wwwroot\STARWeb\HDC-Graph.aspx:25
   ASP.HDC_Graph_aspx.__BuildControlTree(Control __ctrl) in c:\inetpub\wwwroot\STARWeb\HDC-Graph.aspx:1
   ASP.HDC_Graph_aspx.FrameworkInitialize() in c:\WINDOWS\Microsoft.NET\Framework\v1.1.4322\Temporary ASP.NET Files\starweb\1a29908d\cb2c68a7\wf-1e9-y.0.cs:0
   System.Web.UI.Page.ProcessRequest() +84
   System.Web.UI.Page.ProcessRequest(HttpContext context) +18
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication+IExecutionStep.Execute() +179
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +87

 


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Informations sur la version : Version Microsoft .NET Framework :1.1.4322.573; Version ASP.NET :1.1.4322.573

any suggestion ?

Narcís · Post by **Narcís** » Fri Dec 23, 2005 10:50 am

Hi David,

Have you added the GetChart.aspx.cs file as told in "Tutorial Tutorial 9 - TeeChart and WebChart and ASP.NET"? You'll find the tutorials at TeeChart's program group.

BTW: Do the "ASP Server Examples", at TeeChart's program group, work fine on your machine?

David · Post by **David** » Fri Dec 23, 2005 11:15 am

No they doesn't work anymore, they used to but for some reasons they don't now.

Btw i didn't add the getchart file but if your own samples doesn't work, i think the problem is somewhere. Also when i install my web project on another machine it works but i need it to work on mine for all my tests.

I am not gonna deploy it each time i am adding something new you know.

Can't it have something to deal with the font folder ? security or smth ? cause the error seems to come from there.

Thanks for helping.